Home / 25,168.80-37,729.20-9,369.60

Finding the Fourth Proportional to 25,168.80, 37,729.20 and 9,369.60

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Solution

The fourth proportional to 25,168.80, 37,729.20 and 9,369.60 is: 14,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.80 : 37,729.20 = 9,369.60 : x
  2. Step 2: Convert to fraction form
    25,168.80/37,729.20 = 9,369.60/x
  3. Step 3: Cross multiply
    25,168.80x = 37,729.20 × 9,369.60
  4. Step 4: Simplify right side
    25,168.80x = 353,507,512.32
  5. Step 5: Solve for x
    x = 353,507,512.32/25,168.80
  6. Step 6: Final answer
    x = 14,045.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.